KINGSTON (Reuters) - Shericka Jackson completed the sprint double on the final day of the Jamaican Olympic trials by winning the women's 200 metres on Sunday while Ackera Nugent set a national record en route to winning the 100 hurdles.
Double 200 world champion Jackson crossed the finish in 22.29 seconds, her best performance of the year, while Lanae-Tava Thomas (22.34) was second and Niesha Burgher third (22.39).
